Refractory News

Three common ways to reduce high temperature erosion of magnesium carbon bricks

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Currently common methods to reduce the high temperature erosion of magnesium carbon bricks can be summarised in the following three points: 1. Selection of high-quality materials with stable compositions to improve the erosion resistance, thermal shock resistance and structural spalling resistance of the materials Selection of high-purity and high-quality electrofused magnesia, which has the advantages …

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How to ensure that the service life of neutral ramming mass is not damaged when doing lining

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The tamping process of neutral furnace lining is a relatively complicated process, and the knotting process is a very important link, which can affect the service life of the furnace. So, what should we pay attention to during the knotting process to ensure that the service life of the stove is not affected? There are …

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Magnesium carbon brick future research and development direction

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Magnesium carbon bricks due to its outstanding properties will continue to develop in the field of iron and steel metallurgy, for this reason, through the summary and analysis of its research status quo, the next step in the development of magnesium carbon bricks, the direction and focus of the refining: Magnesium carbon bricks due to …

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The most used refractory bricks in all parts of the converter

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Converter is a kind of commonly used steelmaking furnace. Generally can be tilted cylindrical oxygen blowing steelmaking vessel. Furnace body is cylindrical, set on a horizontal axis frame, can be rotated, used for steelmaking. As the working conditions of the various parts of the converter vary greatly, this results in different damage to the individual …

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Tundish well block structure and working principle

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In the continuous casting process, the tundish is not only considered as a transitional vessel for buffering, storing molten steel, diverting flow and realising continuous casting in multiple furnaces, but also has important metallurgical functions. At present, most of the baffle walls, baffle dams and turbulence controllers and other combination of flow control components to …

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Improvement measures of extending the service life of steel taps of converter

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1.The life of the skateboard is relatively low. At present, the material of the domestic converter skateboard is mostly aluminum-zirconium carbon. As the material of the ladle skateboard, it has high strength, good thermal shock resistance, and excellent erosion resistance and corrosion resistance; But for the converter skateboard to block slag technically, the service life …

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Measures to solve the problems of tundish refractory

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Some of the problems that occur during the use of tundish refractory materials are the quality of the material itself, and some are related to the on-site construction and need to be carefully observed and analyzed. Dry material has no strength Before the tundish is put into use, the dry material of the working layer needs to have a …

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The composition and use skills of sliding nozzle

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The sliding nozzle is composed of upper and lower sliding plates and 4 refractory bricks for the upper and lower nozzles. The pouring of each ladle of molten steel must pass through the upper and lower sliding plates and the upper and lower nozzles, so they are very strict. Firstly, they must have sufficient strength at high temperatures to …

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Selection and technological requirements of ladle purging plug

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Argon blowing is usually to build one or several ladle purging plug at the bottom of the pouring ladle or brick ladle. After tapping, blow argon gas through the breathable bricks to cause agitation of the molten steel in the ladle. Argon blowing can promote the floating of emulsified slag droplets and inclusions in steel, and can …

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